已知向量:
(2sinx,2sinx),
(sinx,
cosx),![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
t﹣1.(a∈R,a为常数)
(1)若x∈R,求
的最小正周期;
(2)若
在[
上最大值与最小值之和为5,求t的值;
(3)在(2)条件下
先按
平移后(|
|最小)再经过伸缩变换后得到y=sinx.求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/239d101dd01221948af15bbbf23e0090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7898666dce1fdc0c41325a27c78d35c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a897779713864c3aa571e0bb3ac86f0.png)
(1)若x∈R,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96a103d4413dc9abbb128af2ed9f6c8b.png)
(3)在(2)条件下
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e6fd8641216bb14da546371b8528296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e6fd8641216bb14da546371b8528296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e6fd8641216bb14da546371b8528296.png)
11-12高三上·贵州六盘水·阶段练习 查看更多[1]
(已下线)2011-2012学年贵州省六盘水市第二中学高三11月月考数学理科试卷
更新时间:2016-12-01 10:31:52
|
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适中
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【推荐1】已知函数
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(2)求函数
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(3)求函数
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(1)求函数
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(3)求函数
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适中
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【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0add63714d84f97385e6780cab2a9db9.png)
,且
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(2)若
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(1)求a的值和函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4414355da81b563f4f7ef1bfeabb3980.png)
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解答题-问答题
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适中
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【推荐1】已知函数
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(1)求函数
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换过程.
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【推荐2】说明下列函数的图象可由正弦曲线经过怎样的变换得到(注意定义域):
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(2)
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【推荐1】锐角三角形
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【推荐2】设
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成等差数列.
(1)若
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(2)若
为钝角三角形,且
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)若
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(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46196aec06c25d5c8f9b1d3a8f50a889.png)
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适中
(0.65)
解题方法
【推荐1】已知向量
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(1)若
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的最值;
(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79404d0e0e68a307a9fc985bb9ccf7c5.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2104745f6548c40d42d046514e78df46.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7947c32099ca29d80a7d7cff0c6a1a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea786f0d0daa14e7a2912b3f0797b8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ecf39ce99b3fad69512154416deb39.png)
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【推荐2】已知椭圆
的离心率为
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(1)求椭圆C的方程;
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解答题-问答题
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适中
(0.65)
【推荐3】已知向量
,
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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